Geophysical Maps

Geophysical Maps

The BGS produces a variety of maps on geophysical topics

Small scale geophysical maps are available covering the British Isles in either single or double sheets.

The themes covered include gravity (Bouguer & Free-air) maps, magnetic maps, Natural Environment Radioactivity Survey Series Maps.

For information on other reports on particular districts or specific applications contact the Sales Desk.

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1 A Seismic Atlas of Southern Britain

Over the past two hundred years, the numerous and varied structural features of southern Britain have been mapped on the basis of outcrop information. Until relatively recently, the detailed nature of these structures at depth has remained conjectural. …more…

Author Chadwick, R A and Evans, D J ISBN 0852725124
Year Published 2005  


2 Gravity Anomaly Maps pack (UTM series) 1:1 000 000 [Map Pack]

While ‘standard’ geological mapping describes the surface and near-surface rocks and structures, geophysical techniques are needed to look deeper and describe the substructure. Variations in the density of rocks have an effect on the local strength of the Earth’s gravity field, and these gravity anomalies can be mapped to aid understanding of geological structures at depth. These Gravity Anomaly maps offer insights into the three-dimensional structure of the country that will be of interest to the earth science community, particularly those involved in onshore hydrocarbon and mineral exploration. …more…

Format Map Pack ISBN 0751834599
Scale 1:1 000 000 Year Published 2006


3 Gravity and magnetic anomaly map pack: North sheet (1:625 000) [Map Pack]

Gravity and magnetic anomalies show small departures from the expected values of the earth's gravity and magnetic fields, caused by variations in the density and magnetisation of the rocks within the crust. These anomalies are used to determine concealed geological structure, including the depth and extent of sedimentary basins, depth to magnetic basement and location of concealed igneous bodies. On the broadest scale, they help to convey an understanding of the regional configuration of the Earth's crust and upper mantle. …more…

Format Map Pack ISBN 6000003943
Scale 1:625 000 Year Published 2007


4 Gravity and magnetic anomaly map pack: South sheet (1:625 000) [Map Pack]

Gravity and magnetic anomalies show small departures from the expected values of the earth's gravity and magnetic fields, caused by variations in the density and magnetisation of the rocks within the crust. These anomalies are used to determine concealed geological structure, including the depth and extent of sedimentary basins, depth to magnetic basement and location of concealed igneous bodies. On the broadest scale, they help to convey an understanding of the regional configuration of the Earth's crust and upper mantle. …more…

Format Map Pack ISBN 6000003951
Year Published 2007  


5 Gravity and magnetic anomaly maps (UTM series) 'twin pack' 1:1 000 000 [Map Pack]

Variations in the density of rocks have an effect on the local strength of the Earth’s gravity field, and these gravity anomalies can be mapped to aid understanding of geological structures at depth. They are particularly valuable in oil and gas exploration. …more…

Format Map Pack Scale 1:1 000 000
Year Published 2006  


6 Gravity anomaly map of Britain, Ireland and adjacent areas. Land areas: Bouguer anomaly. Sea areas: Free air anomaly. (Colour shaded relief) [Flat Map]

Format Flat Map ISBN 0751829242
Reprographic CSR Scale 1:1 500 000
Version GR Year Published 1997


7 Gravity anomaly map of Britain, Ireland and adjacent areas. Land areas: Bouguer anomaly. Sea areas: Free air anomaly. (Colour shaded relief) [Folded Map]

Format Folded Map ISBN 0751829250
Reprographic CSR Scale 1:1 500 000
Version GR Year Published 1997


8 Gravity anomaly map of the UK: North sheet (1:625 000) [Flat Map]

Gravity and magnetic anomalies show small departures from the expected values of the earth's gravity and magnetic fields, caused by variations in the density and magnetisation of the rocks within the crust. These anomalies are used to determine concealed geological structure, including the depth and extent of sedimentary basins, depth to magnetic basement and location of concealed igneous bodies. On the broadest scale, they help to convey an understanding of the regional configuration of the Earth's crust and upper mantle. …more…

Format Flat Map ISBN 9780751835052
Scale 1:625 000 Year Published 2007


9 Gravity anomaly map of the UK: North sheet (1:625 000) [Folded Map]

Gravity and magnetic anomalies show small departures from the expected values of the earth's gravity and magnetic fields, caused by variations in the density and magnetisation of the rocks within the crust. These anomalies are used to determine concealed geological structure, including the depth and extent of sedimentary basins, depth to magnetic basement and location of concealed igneous bodies. On the broadest scale, they help to convey an understanding of the regional configuration of the Earth's crust and upper mantle. [Folded Map]

Format Folded Map ISBN 9780751835069
Scale 1:625 000 Year Published 2007


10 Gravity anomaly map of the UK: South sheet (1:625 000) [Flat Map]

Gravity and magnetic anomalies show small departures from the expected values of the earth's gravity and magnetic fields, caused by variations in the density and magnetisation of the rocks within the crust. These anomalies are used to determine concealed geological structure, including the depth and extent of sedimentary basins, depth to magnetic basement and location of concealed igneous bodies. On the broadest scale, they help to convey an understanding of the regional configuration of the Earth's crust and upper mantle. [Flat Map]

Format Flat Map ISBN 9780751835076
Scale 1:625 000 Year Published 2007


11 Gravity anomaly map of the UK: South sheet (1:625 000) [Folded Map]

Gravity and magnetic anomalies show small departures from the expected values of the earth's gravity and magnetic fields, caused by variations in the density and magnetisation of the rocks within the crust. These anomalies are used to determine concealed geological structure, including the depth and extent of sedimentary basins, depth to magnetic basement and location of concealed igneous bodies. On the broadest scale, they help to convey an understanding of the regional configuration of the Earth's crust and upper mantle. [Folded Map]

Format Folded Map ISBN 9780751835083
Scale 1:625 000 Year Published 2007


12 Magnetic Anomaly maps pack (UTM series) 1:1000 000 [Map Pack]

While ‘standard’ geological mapping describes the surface and near-surface rocks and structures, geophysical techniques are needed to look deeper and describe the substructure. Variations in the magnetisation of rocks within the Earth's crust can be mapped and these magnetic anomalies aid interpretation of buried geological structures, especially igneous and metamorphic bodies – vital in the search for minerals. These Magnetic Anomaly maps offer insights into the three-dimensional structure of the country that will be of interest to the earth science community, including those involved in onshore hydrocarbon and mineral exploration. …more…

Format Map Pack ISBN 0751834602
Scale 1:1 000 000 Year Published 2006


13 Magnetic anomaly map for Northern Ireland [Flat Map]

Format Flat Map ISBN 075182772X
Scale 1:253 440 Version MG
Year Published 1971  


14 Magnetic anomaly map of Britain, Ireland and adjacent areas. (Colour shaded relief ) [Flat Map]

Format Flat Map ISBN 0751829226
Reprographic CSR Scale 1:1 500 000
Version MG Year Published 1998


15 Magnetic anomaly map of Britain, Ireland and adjacent areas. (Colour shaded relief ) [Folded Map]

Format Folded Map ISBN 0751829234
Reprographic CSR Scale 1:1 500 000
Version MG Year Published 1998


16 Magnetic anomaly map of the UK: South 1:625 000 [Flat Map]

Gravity and magnetic anomalies show small departures from the expected values of the earth's gravity and magnetic fields, caused by variations in the density and magnetisation of the rocks within the crust. These anomalies are used to determine concealed geological structure, including the depth and extent of sedimentary basins, depth to magnetic basement and location of concealed igneous bodies. On the broadest scale, they help to convey an understanding of the regional configuration of the Earth's crust and upper mantle. [Flat Map]

Format Flat Map ISBN 9780751835151
Scale 1:625 000 Version MG
Year Published 2007  


17 Magnetic anomaly map: North sheet (1:625 000) [Flat Map]

Gravity and magnetic anomalies show small departures from the expected values of the earth's gravity and magnetic fields, caused by variations in the density and magnetisation of the rocks within the crust. These anomalies are used to determine concealed geological structure, including the depth and extent of sedimentary basins, depth to magnetic basement and location of concealed igneous bodies. On the broadest scale, they help to convey an understanding of the regional configuration of the Earth's crust and upper mantle. [Flat Map]

Format Flat Map ISBN 9780751835137
Scale 1:625 000 Year Published 2007


18 Magnetic anomaly map: North sheet (1:625 000) [Folded Map]

Gravity and magnetic anomalies show small departures from the expected values of the earth's gravity and magnetic fields, caused by variations in the density and magnetisation of the rocks within the crust. These anomalies are used to determine concealed geological structure, including the depth and extent of sedimentary basins, depth to magnetic basement and location of concealed igneous bodies. On the broadest scale, they help to convey an understanding of the regional configuration of the Earth's crust and upper mantle. [Folded Map]

Format Folded Map ISBN 9780751835144
Scale 1:625 000 Year Published 2007


19 Magnetic anomaly map: UK South 1:625 000 [Folded Map]

Gravity and magnetic anomalies show small departures from the expected values of the earth's gravity and magnetic fields, caused by variations in the density and magnetisation of the rocks within the crust. These anomalies are used to determine concealed geological structure, including the depth and extent of sedimentary basins, depth to magnetic basement and location of concealed igneous bodies. On the broadest scale, they help to convey an understanding of the regional configuration of the Earth's crust and upper mantle. …more…

Format Folded Map ISBN 0751835161
Scale 1:625 000 Year Published 2007


20 Regional geophysics of northern Scotland Data CD [CD]

While 'standard' geological mapping techniques describe the surface and near-surface rocks, geophysical techniques are needed to look deeper.
This interactive guide covers Northern Scotland, where the geophysical data provides insights into the components of the basement rocks, which were originally part of widely separated continents. Data on younger intrusive and sedimentary bodies is also provided. …more…

Format CD ISBN 6000006586
Year Published 2010  


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